#1. What is the life expectancy of the world population today?
#2. There are 2 Billion children in the world today aged 0 to 15 years. How many children will there be in the year 2100 according to the United Nations?
#3. How many people in the world have access to electricity?
Source: Hans Rosling , Ola Rosling, Anna Rosling Rönnlund / FACTFULNESS / SCEPTRE